{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+Blood+Markers",
    "query": {
      "intervention": "Serum Blood Markers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 120,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serum+Blood+Markers&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T01:13:40.261Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04205136",
      "title": "Spironolactone to Improve Apnea and Cardiovascular Markers in Obstructive Sleep Apnea Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-03",
      "completion_date": "2023-04",
      "has_results": false,
      "last_update_posted_date": "2022-04-19",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04205136"
    },
    {
      "nct_id": "NCT00698399",
      "title": "Serum Markers of Ischemia Reperfusion Injury in Liver Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Liver Transplant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2008-03",
      "completion_date": "2010-02-02",
      "has_results": false,
      "last_update_posted_date": "2018-02-28",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00698399"
    },
    {
      "nct_id": "NCT05378659",
      "title": "Neuroinflammation and Alzheimer's Pathology in POCD",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post-Operative Confusion",
        "Neuroinflammatory Response",
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Montreal Cognitive Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stroop Test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "4AT Delirium",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Grooved Pegboard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NACC Cognitive Battery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ERP Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Plasma and Serum sampling",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cerebral Spinal Fluid Sample",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Tennessee Graduate School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2021-11-01",
      "completion_date": "2022-09-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-18",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05378659"
    },
    {
      "nct_id": "NCT00670930",
      "title": "Efficacy of Omalizumab in Adults (18-60 Years of Age) With Moderate-Severe, Persistent Allergic Asthma, Despite Receiving Inhaled Corticosteroids and Long Acting Beta-agonists",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Asthma"
      ],
      "interventions": [
        {
          "name": "omalizumab at a dose of 0.016mg/kg/IU/mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 36,
      "start_date": "2008-04",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2013-01-18",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • St Louis, Missouri • Durham, North Carolina + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00670930"
    },
    {
      "nct_id": "NCT00931892",
      "title": "Serum Markers in Gluten Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Celiac Disease"
      ],
      "interventions": [
        {
          "name": "Gluten",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "17 Years to 72 Years"
      },
      "enrollment_count": 21,
      "start_date": "2009-04",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2021-06-04",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00931892"
    },
    {
      "nct_id": "NCT00825799",
      "title": "Serum Markers as a Bioassay for Unipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Steward St. Elizabeth's Medical Center of Boston, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 160,
      "start_date": "2007-11",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2014-01-03",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825799"
    },
    {
      "nct_id": "NCT00385931",
      "title": "Efficacy and Safety of Valsartan and the Combination of Valsartan and Simvastatin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypertension",
        "Hypercholesterolemia",
        "Dyslipidemia"
      ],
      "interventions": [
        {
          "name": "Valsartan and simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 412,
      "start_date": "2002-01",
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2023-11-09",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "East Hanover, New Jersey",
      "locations": [
        {
          "city": "East Hanover",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00385931"
    },
    {
      "nct_id": "NCT03803553",
      "title": "Identification and Treatment Of Micrometastatic Disease in Stage III Colon Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Colon Cancer",
        "Stage III Colon Cancer"
      ],
      "interventions": [
        {
          "name": "FOLFIRI Protocol",
          "type": "DRUG"
        },
        {
          "name": "ACTIVE SURVEILLANCE",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab Protocol",
          "type": "DRUG"
        },
        {
          "name": "Encorafenib/Binimetinib/Cetuximab Protocol",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab + Pertuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2020-04-16",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03803553"
    },
    {
      "nct_id": "NCT03782168",
      "title": "Plasma Concentration of Biological Markers in Placental Abruption",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Abruptio Placentae"
      ],
      "interventions": [
        {
          "name": "There is no other intervention, only clinical treatment.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2019-01-31",
      "completion_date": "2021-08-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-03",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03782168"
    },
    {
      "nct_id": "NCT03181009",
      "title": "Multi OIT to Test Immune Markers After Minimum Maintenance Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Food Allergy"
      ],
      "interventions": [
        {
          "name": "Omalizumab",
          "type": "DRUG"
        },
        {
          "name": "Food Flour Allergens",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrew Long, PharmD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "2 Years to 25 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-07-31",
      "completion_date": "2019-01-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-27T01:13:40.261Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Mountain View, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03181009"
    }
  ]
}